They don’t mind him________TV all the time．
| A．watches |
| B．to watch |
| C．watching |
| D．to watching |
There is a cat _______ a dog.
A. chase B. chased C. chasing
Mike, do you know which CDs belong to _______?
A. my B. ours C. us
It’s reported that a tiger escaped _______ the zoo yesterday.
A. in B. on C. from
The work is so difficult that I don’t know _______ to do it.
A. what B. how C. where
If I _______ you, I would stop looking for it.
A. am B. being C. were